int OffsetClipRgn(hDC,X,Y)
This function moves the clipping region of the given device by the specified offsets. The function moves the region X units along the x-axis and Y units along the y-axis.
Parameter | Type/Description |
hDC | HDC Identifies the device context. | |
X | int Specifies the number of logical units to move left or right. | |
Y | int Specifies the number of logical units to move up or down. |
The return value specifies the new region's type. It can be any one of the following values:
Value | Meaning |
COMPLEXREGION | Clipping region has overlapping borders. | |
ERROR | Device context is not valid. | |
NULLREGION | Clipping region is empty. | |
SIMPLEREGION | Clipping region has no overlapping borders. |